Decorative earring back



FIG. 1 is a side perspective view of a decorative earring back showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken line showing of the front portion and post of an earring is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a decorative earring back, as shown and described. 